Philips 6ES8 ECC189 Vacuum Tube A Frame Riveted / Dimple Disk Getter Sutured Top NOS NIB Pete Fountain anode radiators for cooler operation

anode radiators for cooler operation and longer tube life and saucer getters

Tube Two is a bit microphonic and it is therefore recommended that this matched pair not be used in areas with excessive vibration

The title basically says it all

This lot of four Tung-Sol coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Philips 6ES8 ECC189 Vacuum Tube A Frame Riveted / Dimple Disk Getter Sutured Top NOS NIB Pete Fountain anode radiators for cooler operationThis new old stock, new in box Philips MADE, RCA BRANDED 6ES8 ECC189 tested to spec on our Paul Hart calibrated TV7 U. This tube has beautiful, crisp orange lettering; a sutured top, a riveted disk getter; A frame construction and 1Xb ^2d date provenance codes, respectively, meaning it was made at the Philips plant in Heerlen, Limburg Province, The Netherlands. I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great. WE